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Full Stack Java Developer Interview Questions

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1,047 full stack java developer interview questions shared by candidates

Angular ------- 1. Pass data between components 2. Pass data if there is no relation between components 3. how to get the query string in component 4. RxJs in Angular 5. how you implement unsubscribe method in observable Java --- 1. Feature used in Java 8? 2. Completable Future? Spring Boot ------------ 1. Connect two dbs & use one instance at runtime 2. if there is 3 service with 3 DB & if one goes down, how to rollback the operation
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Full Stack Angular and Java Springboot Developer

Interviewed at Cognizant

3.6★
Oct 7, 2024

Angular ------- 1. Pass data between components 2. Pass data if there is no relation between components 3. how to get the query string in component 4. RxJs in Angular 5. how you implement unsubscribe method in observable Java --- 1. Feature used in Java 8? 2. Completable Future? Spring Boot ------------ 1. Connect two dbs & use one instance at runtime 2. if there is 3 service with 3 DB & if one goes down, how to rollback the operation

In first technical interview I was asked the difference between an array vs. arraylist, what a static variable is, what an abstract class is (then the difference between that and an interface), what monolithic architecture is, and what test driven development is. I was also asked to give more background on experience and projects (with specific questions)
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Full Stack Developer(Java)

Interviewed at CapTech

3.8★
May 12, 2022

In first technical interview I was asked the difference between an array vs. arraylist, what a static variable is, what an abstract class is (then the difference between that and an interface), what monolithic architecture is, and what test driven development is. I was also asked to give more background on experience and projects (with specific questions)

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